<%--
  Created by IntelliJ IDEA.
  User: Administrator
  Date: 2025/10/20
  Time: 10:28
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<%
    String str1 = (String) pageContext.getAttribute("a", PageContext.REQUEST_SCOPE);
    String str2 = (String) pageContext.getAttribute("a", PageContext.PAGE_SCOPE);
    String str3 = (String) pageContext.getAttribute("a", PageContext.SESSION_SCOPE);
    String str4 = (String) pageContext.getAttribute("a", PageContext.APPLICATION_SCOPE);
%>
<%="requset:"+str1%><br/>
<%="page范围:"+str2%><br/>
<%="session范围:"+str3%><br/>
<%="application范围"+str4%><br/>
</body>
</html>
